#include<stdio.h>

int Add(int x1,int x2)
{
   return x1 + x2; 
}

int main()
{
    int i = 0;
    int a = 10;
    int b = 50;
    while(i<=100)
    {
        printf("%d",i);
        i++;
    }
   int ret =  Add(a,b);
   printf("ret = %d",ret);
    return 0;
}
